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ArnaudArnaud VandecasteeleVandecasteele
Vincent HerbreteauVincent Herbreteau
Kraichat TantrakarnapaKraichat Tantrakarnapa
New practices inNew practices in
the use of spatial data,the use of spatial data,
with an insightwith an insight
for health studiesfor health studies
2 / 41
Speakers
Arnaud VandecasteeleArnaud Vandecasteele
PhD in Geomatics, France
Post-Doc in Geomatics, Canada
(Open) Researcher
Owner of Mapali company
Vincent herbreteauVincent herbreteau
PhD in Health geography, France
Researcher at IRD, France
3 / 41
I have a (geo) dream
To have a free accessfree access to all theall the
datadata needed for my research
To be able to easily collecteasily collect
and processprocess my geographic data
To improve current researchimprove current research by making
my datadata available to everyoneavailable to everyone
4 / 41
Summary
What is Volunteered Geographic Information (VGI)1
Focus on OpenStreetMap2
New VGI trends3
5 / 41
VVolunteeredolunteered
GGeographiceographic
IInformationnformation
6 / 41
RULE 1RULE 1
FUNFUN
MAPSMAPS
SHOULD BE
MAKING
VGI rules
What is VGI ? Focus on OSM New VGI trends
7 / 41
RULE 2RULE 2
EASYEASY
MAPSMAPS
SHOULD BE
MAKING
VGI rules
What is VGI ? Focus on OSM New VGI trends
8 / 41
RULE 3RULE 3
USEFULUSEFUL
MAPSMAPS
SHOULD BE
MAKING
VGI rules
What is VGI ? Focus on OSM New VGI trends
9 / 41
http://www.youtube.com/watch?v=eAFG6aQTwPkhttp://www.youtube.com/watch?v=eAFG6aQTwPk
The old way of doing maps
What is VGI ? Focus on OSM New VGI trends
10 / 41
INTERFACESTOOLSDATA
No interoperability
No standards
Not appropriate Very complicated
interface
The old way of doing maps
What is VGI ? Focus on OSM New VGI trends
11 / 41
VVolunteeredolunteered GGeographiceographic IInformationnformation
”
The widespreadThe widespread engagementengagement
of large numbers of privateof large numbers of private citizenscitizens,,
often withoften with littlelittle in the wayin the way
of formalof formal qualificationsqualifications,,
in thein the creation of geographic informationcreation of geographic information
Goodchild (2007)
“
Fortunately, things have changed
What is VGI ? Focus on OSM New VGI trends
12 / 41
VGI
Citizen ScienceCitizen Science
Source : http://povesham.wordpress.com
Muki Haklay,
Citizen Science and Volunteered Geographic Information: Overview and Typology of Participation.
2013
Reconnecting science with civil societyReconnecting science with civil society
What is VGI ? Focus on OSM New VGI trends
13 / 41
Google Map Maker
http://www.google.fr/mapmaker
OpenStreetMap
http://www.openstreetmap.org
Facebook Places
https://www.facebook.com/places/
WikiMapia
http://wikimapia.org
Examples of VGI projectsExamples of VGI projects
What is VGI ? Focus on OSM New VGI trends
14 / 41
Do you know that you are
producing geographic information ?
Are the data produced
publicly available ?
CContributedontributed
GGeographiceographic
IInformationnformation
VVolunteeredolunteered
GGeographiceographic
IInformationnformation
Volunteering comes with an explicit understandingexplicit understanding of
whatwhat we are contributing, howhow we are contributing,
and future possibilitiesfuture possibilities of
the collected information’s use
“
”
Francis Harvey (2013)Francis Harvey (2013)
Not all VGI projects are the sameNot all VGI projects are the same
What is VGI ? Focus on OSM New VGI trends
15 / 41
Citizen involvementCitizen involvement
Example of VGI (health) applicationExample of VGI (health) application
What is VGI ? Focus on OSM New VGI trends
16 / 41
Humanitarian applicationsHumanitarian applications
Example of VGI (health) applicationExample of VGI (health) application
What is VGI ? Focus on OSM New VGI trends
17 / 41
Focus on
OpenStreetMap
18 / 41
The Wikipedia of mapsThe Wikipedia of maps
+ =
OpenStreetMapWikipedia
OSM is a collaborativecollaborative project to create
a freefree editable map of the worldmap of the world
What is OpenStreetMap (OSM) ?What is OpenStreetMap (OSM) ?
What is VGI ? Focus on OSM New VGI trends
19 / 41
A feature = Geometry + Attributes
Node Line Polygon
amenityamenity = drinking_water= drinking_water
highwayhighway = primary= primary
buildingbuilding = yes= yes
OSM Data SchemaOSM Data Schema
What is VGI ? Focus on OSM New VGI trends
20 / 41
polygonpolygon
Attributes :Attributes :
buildingbuilding = yes= yes
namename = music= music
lineline
Attributes :Attributes :
highwayhighway = primary= primary
namename = Allandale Road= Allandale Road
OSM Data SchemaOSM Data Schema
What is VGI ? Focus on OSM New VGI trends
21 / 41
Source: http://wiki.openstreetmap.org/wiki/Stats
+ 2.1 million
+ 2.8 billion nodes
+ 286 million ways
+ 4.6 billion of GPS point
Started in 2004
Does it really work ?Does it really work ?
What is VGI ? Focus on OSM New VGI trends
22 / 41
Source : http://www.geofabrik.de
April 2007April 2007
Paris : August 2006Paris : August 2006
April 2008April 2008
Dec 2008Dec 2008 Sept 2009Sept 2009
Dec 2010Dec 2010
Froma blank space...Froma blank space...
What is VGI ? Focus on OSM New VGI trends
23 / 41
http://vimeo.com/2598878http://vimeo.com/2598878
To a world wide projectTo a world wide project
What is VGI ? Focus on OSM New VGI trends
24 / 41
A map better than some others providers !A map better than some others providers !
What is VGI ? Focus on OSM New VGI trends
25 / 41
“ We started with absolutely nothing,
a completely blank canvas [...]
Now most of the world has been mapped,
in varying degrees of detail,
and can be viewed on openstreetmap.org ”
Steve CoastSteve Coast
Creator of theCreator of the OSMOSM projectproject
From only one person...From only one person...
What is VGI ? Focus on OSM New VGI trends
26 / 41
YOU !YOU !
To a community of practice !To a community of practice !
What is VGI ? Focus on OSM New VGI trends
27 / 41
Day 1Day 1
Day 3Day 3
Day 28Day 28
20102010
OSM use cases: The Haiti earthquakeOSM use cases: The Haiti earthquake
What is VGI ? Focus on OSM New VGI trends
28 / 41
Map Information
Data from OpenStreetMapOpenStreetMap,
GAUL, SRTM and JRC
OSM use cases: The Haiti earthquakeOSM use cases: The Haiti earthquake
What is VGI ? Focus on OSM New VGI trends
29 / 41
Engaging local peopleEngaging local people
What is VGI ? Focus on OSM New VGI trends
30 / 41
With VGI, creating geodata isWith VGI, creating geodata is
no longer expensiveno longer expensive,,
much more sustainablemuch more sustainable than other models,than other models,
scope forscope for greater detailgreater detail,,
more timely updatesmore timely updates
In summaryIn summary
What is VGI ? Focus on OSM New VGI trends
31 / 41
NewNew VGIVGI trendstrends
32 / 41
New dataset : Open Drone MapNew dataset : Open Drone Map
What is VGI ? Focus on OSM New VGI trends
33 / 41
New dataset : Open Submarine MapNew dataset : Open Submarine Map
What is VGI ? Focus on OSM New VGI trends
34 / 41
New dataset : Open Street ViewNew dataset : Open Street View
What is VGI ? Focus on OSM New VGI trends
35 / 41
VGI Data QualityVGI Data Quality
What is VGI ? Focus on OSM New VGI trends
36 / 41
VGI Data QualityVGI Data Quality
What is VGI ? Focus on OSM New VGI trends
Ballatore, 2012
37 / 41
Two entities are similar if :
1 They are referenced by similar entities 2 They reference similar entities
P-Rank
Algorithm
landuse
=
forest
natural
=
wood
natural
=
tree
wood
=
mixed
landuse
=
forest
natural
=
wood
landuse
=
forest
natural
=
wood
natural
=
tree
VGI Data QualityVGI Data Quality
What is VGI ? Focus on OSM New VGI trends
38 / 41
Highway = traffic_signalHighway = traffic_signal
VGI Data QualityVGI Data Quality
What is VGI ? Focus on OSM New VGI trends
39 / 41
Sui D., Elwood S., and Goodchild M.
Crowdsourcing Geographic Knowledge
Volunteered Geographic Information (VGI)
in Theory and Practice.
Springer, 2013
Jamal Jokar Arsanjani, Alexander Zipf,
Peter Mooney, Marco Helbich
OpenStreetMap in GIScience
Experience, Research and Applications
Springer, 2015
ConclusionConclusion
Interesting VGI Readings (scientific)Interesting VGI Readings (scientific)
40 / 41
Bennett J.
OpenStreetMap
Be your own cartographer.
Packt Publishing, 2010
Ramm F., Topf J., and Chilton S.
OpenStreetMap
Using and enhancing the free map of the world
UIT Cambridge, 2010
ConclusionConclusion
Interesting VGI ReadingsInteresting VGI Readings
41 / 41
http://learnosm.org
LearnOSM
http://learnosm.org
OSM Wiki
http://wiki.openstreetmap.org/wiki/
ConclusionConclusion
WebsitesWebsites

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New practices in the use of spatial data, with an insight for health studies

  • 1. 1 / 41 ArnaudArnaud VandecasteeleVandecasteele Vincent HerbreteauVincent Herbreteau Kraichat TantrakarnapaKraichat Tantrakarnapa New practices inNew practices in the use of spatial data,the use of spatial data, with an insightwith an insight for health studiesfor health studies
  • 2. 2 / 41 Speakers Arnaud VandecasteeleArnaud Vandecasteele PhD in Geomatics, France Post-Doc in Geomatics, Canada (Open) Researcher Owner of Mapali company Vincent herbreteauVincent herbreteau PhD in Health geography, France Researcher at IRD, France
  • 3. 3 / 41 I have a (geo) dream To have a free accessfree access to all theall the datadata needed for my research To be able to easily collecteasily collect and processprocess my geographic data To improve current researchimprove current research by making my datadata available to everyoneavailable to everyone
  • 4. 4 / 41 Summary What is Volunteered Geographic Information (VGI)1 Focus on OpenStreetMap2 New VGI trends3
  • 6. 6 / 41 RULE 1RULE 1 FUNFUN MAPSMAPS SHOULD BE MAKING VGI rules What is VGI ? Focus on OSM New VGI trends
  • 7. 7 / 41 RULE 2RULE 2 EASYEASY MAPSMAPS SHOULD BE MAKING VGI rules What is VGI ? Focus on OSM New VGI trends
  • 8. 8 / 41 RULE 3RULE 3 USEFULUSEFUL MAPSMAPS SHOULD BE MAKING VGI rules What is VGI ? Focus on OSM New VGI trends
  • 9. 9 / 41 http://www.youtube.com/watch?v=eAFG6aQTwPkhttp://www.youtube.com/watch?v=eAFG6aQTwPk The old way of doing maps What is VGI ? Focus on OSM New VGI trends
  • 10. 10 / 41 INTERFACESTOOLSDATA No interoperability No standards Not appropriate Very complicated interface The old way of doing maps What is VGI ? Focus on OSM New VGI trends
  • 11. 11 / 41 VVolunteeredolunteered GGeographiceographic IInformationnformation ” The widespreadThe widespread engagementengagement of large numbers of privateof large numbers of private citizenscitizens,, often withoften with littlelittle in the wayin the way of formalof formal qualificationsqualifications,, in thein the creation of geographic informationcreation of geographic information Goodchild (2007) “ Fortunately, things have changed What is VGI ? Focus on OSM New VGI trends
  • 12. 12 / 41 VGI Citizen ScienceCitizen Science Source : http://povesham.wordpress.com Muki Haklay, Citizen Science and Volunteered Geographic Information: Overview and Typology of Participation. 2013 Reconnecting science with civil societyReconnecting science with civil society What is VGI ? Focus on OSM New VGI trends
  • 13. 13 / 41 Google Map Maker http://www.google.fr/mapmaker OpenStreetMap http://www.openstreetmap.org Facebook Places https://www.facebook.com/places/ WikiMapia http://wikimapia.org Examples of VGI projectsExamples of VGI projects What is VGI ? Focus on OSM New VGI trends
  • 14. 14 / 41 Do you know that you are producing geographic information ? Are the data produced publicly available ? CContributedontributed GGeographiceographic IInformationnformation VVolunteeredolunteered GGeographiceographic IInformationnformation Volunteering comes with an explicit understandingexplicit understanding of whatwhat we are contributing, howhow we are contributing, and future possibilitiesfuture possibilities of the collected information’s use “ ” Francis Harvey (2013)Francis Harvey (2013) Not all VGI projects are the sameNot all VGI projects are the same What is VGI ? Focus on OSM New VGI trends
  • 15. 15 / 41 Citizen involvementCitizen involvement Example of VGI (health) applicationExample of VGI (health) application What is VGI ? Focus on OSM New VGI trends
  • 16. 16 / 41 Humanitarian applicationsHumanitarian applications Example of VGI (health) applicationExample of VGI (health) application What is VGI ? Focus on OSM New VGI trends
  • 17. 17 / 41 Focus on OpenStreetMap
  • 18. 18 / 41 The Wikipedia of mapsThe Wikipedia of maps + = OpenStreetMapWikipedia OSM is a collaborativecollaborative project to create a freefree editable map of the worldmap of the world What is OpenStreetMap (OSM) ?What is OpenStreetMap (OSM) ? What is VGI ? Focus on OSM New VGI trends
  • 19. 19 / 41 A feature = Geometry + Attributes Node Line Polygon amenityamenity = drinking_water= drinking_water highwayhighway = primary= primary buildingbuilding = yes= yes OSM Data SchemaOSM Data Schema What is VGI ? Focus on OSM New VGI trends
  • 20. 20 / 41 polygonpolygon Attributes :Attributes : buildingbuilding = yes= yes namename = music= music lineline Attributes :Attributes : highwayhighway = primary= primary namename = Allandale Road= Allandale Road OSM Data SchemaOSM Data Schema What is VGI ? Focus on OSM New VGI trends
  • 21. 21 / 41 Source: http://wiki.openstreetmap.org/wiki/Stats + 2.1 million + 2.8 billion nodes + 286 million ways + 4.6 billion of GPS point Started in 2004 Does it really work ?Does it really work ? What is VGI ? Focus on OSM New VGI trends
  • 22. 22 / 41 Source : http://www.geofabrik.de April 2007April 2007 Paris : August 2006Paris : August 2006 April 2008April 2008 Dec 2008Dec 2008 Sept 2009Sept 2009 Dec 2010Dec 2010 Froma blank space...Froma blank space... What is VGI ? Focus on OSM New VGI trends
  • 23. 23 / 41 http://vimeo.com/2598878http://vimeo.com/2598878 To a world wide projectTo a world wide project What is VGI ? Focus on OSM New VGI trends
  • 24. 24 / 41 A map better than some others providers !A map better than some others providers ! What is VGI ? Focus on OSM New VGI trends
  • 25. 25 / 41 “ We started with absolutely nothing, a completely blank canvas [...] Now most of the world has been mapped, in varying degrees of detail, and can be viewed on openstreetmap.org ” Steve CoastSteve Coast Creator of theCreator of the OSMOSM projectproject From only one person...From only one person... What is VGI ? Focus on OSM New VGI trends
  • 26. 26 / 41 YOU !YOU ! To a community of practice !To a community of practice ! What is VGI ? Focus on OSM New VGI trends
  • 27. 27 / 41 Day 1Day 1 Day 3Day 3 Day 28Day 28 20102010 OSM use cases: The Haiti earthquakeOSM use cases: The Haiti earthquake What is VGI ? Focus on OSM New VGI trends
  • 28. 28 / 41 Map Information Data from OpenStreetMapOpenStreetMap, GAUL, SRTM and JRC OSM use cases: The Haiti earthquakeOSM use cases: The Haiti earthquake What is VGI ? Focus on OSM New VGI trends
  • 29. 29 / 41 Engaging local peopleEngaging local people What is VGI ? Focus on OSM New VGI trends
  • 30. 30 / 41 With VGI, creating geodata isWith VGI, creating geodata is no longer expensiveno longer expensive,, much more sustainablemuch more sustainable than other models,than other models, scope forscope for greater detailgreater detail,, more timely updatesmore timely updates In summaryIn summary What is VGI ? Focus on OSM New VGI trends
  • 31. 31 / 41 NewNew VGIVGI trendstrends
  • 32. 32 / 41 New dataset : Open Drone MapNew dataset : Open Drone Map What is VGI ? Focus on OSM New VGI trends
  • 33. 33 / 41 New dataset : Open Submarine MapNew dataset : Open Submarine Map What is VGI ? Focus on OSM New VGI trends
  • 34. 34 / 41 New dataset : Open Street ViewNew dataset : Open Street View What is VGI ? Focus on OSM New VGI trends
  • 35. 35 / 41 VGI Data QualityVGI Data Quality What is VGI ? Focus on OSM New VGI trends
  • 36. 36 / 41 VGI Data QualityVGI Data Quality What is VGI ? Focus on OSM New VGI trends Ballatore, 2012
  • 37. 37 / 41 Two entities are similar if : 1 They are referenced by similar entities 2 They reference similar entities P-Rank Algorithm landuse = forest natural = wood natural = tree wood = mixed landuse = forest natural = wood landuse = forest natural = wood natural = tree VGI Data QualityVGI Data Quality What is VGI ? Focus on OSM New VGI trends
  • 38. 38 / 41 Highway = traffic_signalHighway = traffic_signal VGI Data QualityVGI Data Quality What is VGI ? Focus on OSM New VGI trends
  • 39. 39 / 41 Sui D., Elwood S., and Goodchild M. Crowdsourcing Geographic Knowledge Volunteered Geographic Information (VGI) in Theory and Practice. Springer, 2013 Jamal Jokar Arsanjani, Alexander Zipf, Peter Mooney, Marco Helbich OpenStreetMap in GIScience Experience, Research and Applications Springer, 2015 ConclusionConclusion Interesting VGI Readings (scientific)Interesting VGI Readings (scientific)
  • 40. 40 / 41 Bennett J. OpenStreetMap Be your own cartographer. Packt Publishing, 2010 Ramm F., Topf J., and Chilton S. OpenStreetMap Using and enhancing the free map of the world UIT Cambridge, 2010 ConclusionConclusion Interesting VGI ReadingsInteresting VGI Readings
  • 41. 41 / 41 http://learnosm.org LearnOSM http://learnosm.org OSM Wiki http://wiki.openstreetmap.org/wiki/ ConclusionConclusion WebsitesWebsites